APA引文

Samuelson,Paul A, & Nordhaus, W. D. (2020). Economics (20th Edition.). Tata McGraw Hill.

芝加哥风格引文

Samuelson,Paul A, 与 William D. Nordhaus. Economics. 20th Edition. Chennai: Tata McGraw Hill, 2020.

MLA引文

Samuelson,Paul A, 与 William D. Nordhaus. Economics. 20th Edition. Tata McGraw Hill, 2020.

警告：这些引文格式不一定是100％准确.